Flood waters from Hurricane Katrina fill the streets near downtown New Orleans Tuesday, Aug. 30, 2005 in New Orleans. Hurricane Katrina did extensive damage when it made landfall on Monday. (AP Photo/David J. Phillip)
Floodwaters from Hurricane Katrina flow over a levee along Inner Harbor Navigaional Canal near downtown New Orleans Tuesday, Aug. 30, 2005. Hurricane Katrina did extensive damage when it made landfall on Monday. (AP Photo/David J. Phillip)
Homes destroyed by Hurricane Katrina are shown in this aerial view, Tuesday, Aug. 30, 2005, in New Orleans. (AP Photo/David J. Phillip)
The city of New Orleans is inundated with water on Tuesday, Aug. 30, 2005. Flood waters continue to rise in New Orleans after Hurricane Katrina did extensive damage when it made landfall on Monday. (AP Photo/Dave Martin)
Residents wait atop a roof as floodwaters from Hurricane Katrina fill the streets of New Orleans Tuesday, Aug. 30, 2005. Hurricane Katrina did extensive damage when it made landfall on Monday. (AP Photo/David J. Phillip)
Ronald Wood is rescued from his home in New Orleans, Louisiana after Hurricane Katrina made landfall. 2005 is on track to be the worst-ever year for hurricanes, according to experts measuring ocean temperatures and trade winds.(AFP/James Nielsen)